:root{color-scheme:dark;--bg:#050a14;--panel:#0b1525;--line:#183354;--text:#edf7ff;--muted:#9ab0c5;--cyan:#35e7ff;--blue:#3288ff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#092d49 0,transparent 35%),var(--bg);color:var(--text);font:16px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main,footer{width:min(900px,calc(100% - 32px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;text-decoration:none}.brand img{width:42px;height:42px;border-radius:12px}.back{color:var(--cyan);text-decoration:none;font-weight:700}main{padding:56px 0 72px}article{background:linear-gradient(180deg,rgba(11,21,37,.94),rgba(7,14,26,.94));border:1px solid var(--line);border-radius:22px;padding:clamp(24px,5vw,52px);box-shadow:0 24px 80px rgba(0,0,0,.3)}.eyebrow{margin:0;color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.16em}h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.05;margin:.5rem 0 1rem}h2{font-size:1.3rem;margin:2.2rem 0 .5rem;color:#fff}p,li{color:var(--muted)}strong{color:var(--text)}a{color:var(--cyan)}.notice{border-left:3px solid var(--cyan);padding:12px 16px;background:#081d2d;border-radius:0 10px 10px 0}.updated{color:#7891a9;font-size:.9rem}footer{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding:24px 0 40px;color:#71879c;font-size:.85rem}@media(max-width:600px){header{padding:16px 0}main{padding:28px 0 48px}article{border-radius:16px}}